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Larsson skied his penalty and the Rams took full advantage to build a four-goal lead by half time and go on to win 5-0.

"The penalty miss was a big moment, of course," Rowett said.

"Whether that would have massively affected the outcome, I'm not sure.

Derby County manager Gary Rowett during the Hull City game (Image: Andy Clarke)

"We could have seen that as a setback and it would have been interesting to see how we would have reacted had Hull scored but the fact Larsson missed certainly gave the team and the crowd an extra lift.

"If that (penalty) had gone in and made it 1-1, it might have deflated us slightly. That was a big moment, and then we just got better and better."

The victory was Derby's biggest since they beat Wolverhampton Wanderers at home by the same score in November 2014.